Grannäs is a village in Piteå Municipality, in Norrbotten County, Sweden. Grannäs lies at 338 m above sea level. The nearest city is Piteå, 78 km to the east. Among the landmarks around are Gråträsks kapell (4.4 km), Långträsk Church (24 km) and Glommersträsks kyrka (23 km).